Have Heart Interface Combi, model number 81-2022-12(209), serial number 290009, date 1100. This is a unit installed in my RV.
The device is no longer working correctly, it has over charged batteries, causing one to explode, And when turned off, it shows a dead short and drains the house and chassie batts.
I would like to have a estimate / quote from you for the repair of the device, My contact information is listed above, email is best way to contact.